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Listar por palabra clave "Durability"

Mostrando ítems 1-20 de 28

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Analysis of durability and dimensional stability of hidrothermal carbonized wooden pellets

Oliver Villanueva, José Vicente; García Andújar, Enrique; Gascón Garrido, Patricia (Statny Drevarsky Vyskumny Ustav, 2016)

[EN] Hydrothermal carbonization (HTC) is a chemical pretreatment of wood waste for convert it in biochar by the application of high temperatures and pressures in a reaction time that do not exceed 10 hours. One of the main ...
Análisis de la estructura de la Universidad Laboral de Tarragona (E.Torroja)

Baldanta Callejo, Cristina (2015-09-29)

El Pabellón de cocinas de la Universidad Laboral de Tarragona, fue construido en 1956, década en la que surgieron estos instrumentos educativos. El interés de esta obra reside en el empleo de la lámina plegada de hormigón ...
Análisis de los impactos socio-económicos y de la durabilidad de las medidas de prevención de la corrosión por cloruros en estructuras de hormigón armado

NAVARRO MARTÍNEZ, IGNACIO JAVIER (2016-12-29)

[EN] This thesis aims to present an integrated assessment of the effectiveness and efficiency of various preventive measures currently used to extend the service life of concrete structures exposed to chloride‐laden e ...
Aplicación de la técnica no destructiva del georradar para evaluar la absorción de agua en hormigón endurecido.

FERNÁNDEZ CASTILLA, ALBERTO CARLOS (2016-05-19)

[EN] This work has sought to analyze the capacity of the non-destructive testing of the GPR as a tool for detection of the penetration of water front advance in the hardened concrete. In this process, a series of 24 test ...
Design of products to honor people post mortem

Martins, João (Editorial Universitat Politècnica de València, 2016-10-27)

[EN] Cemeteries are places of daily social practices and worship, with the grave being the place where loss can be expressed externally and the deceased person commemorated. In Western society we find a series of artefacts ...
Determining corrosion levels in the reinforcement rebars of buildings in coastal areas. A case study in the Mediterranean coastline

Moreno, José D.; Bonilla Salvador, María Mercedes; Adam Martínez, José Miguel; Borrachero Rosado, María Victoria; Soriano Martinez, Lourdes (Elsevier, 2015-12)

This paper describes a study of the damage caused by corrosion to the reinforcement rebars of a 40-year old building used as a car park at a distance of 20 m from the sea. The corrosion levels of the building s structural ...
Effect of crystalline admixtures on the self-healing capability of early-age concrete studied by means of permeability and crack closing tests

ROIG FLORES, MARTA; Pirritano, F.; Serna Ros, Pedro; Ferrara, L. (Elsevier, 2016-07)

This paper analyzes the self-healing properties of early-age concretes, engineered using a crystalline admixture (4% by the weight of cement), by measuring the permeability of cracked specimens and their crack width. Two ...
Effects of autogenous healing on the recovery of mechanical performance of High Performance Fibre Reinforced Cementitious Composites (HPFRCCs): Part 1

Ferrara, Liberato; Krelani, V.; Moretti, F.; Roig-Flores, M.; Serna Ros, Pedro (Elsevier, 2017)

[EN] This paper presents the results are shown of a thorough characterization of the self-healing capacity of High Performance Fibre Reinforced Cementitious Composites (HPFRCCs). The capacity of the material will be ...
Electrochemical treatment of a synthetic wastewater containing a sulphonated azo dye. Determination of naphthalenesulphonic compunds produced as main by-products

Del Río García, Ana Isabel; Fernández Sáez, Javier; Molina Puerto, Javier; Bonastre Cano, José Antonio; Cases Iborra, Francisco Javier (Elsevier, 2011-06-15)

The electrochemical treatment of wastewaters from textile industry is a promising technique for substances which are resistant to biodegradation. This paper deals with the electrochemical decolourisation/degradation of ...
Evaluación de la degradación de prefabricados de hormigón sometidos a ambientes marinos mediante técnicas No Destructivas y Análisis F-Q

MAHMOUD, TAREK IBRAHIM (2012-01-19)

Se trata en este trabajo obtención de un procedimiento de evaluación del ciclo de vida de los hormigones preparados y puestos en servicio en ambientes marinos. Para ello, se precisa la integración de diferentes técnicas ...
Evaluation of thermally-treated wood of beech (Fagus sylvatica L.) and ash (Fraxinus excelsior L.) against Mediterranean termites (Reticulitermes spp.)

Oliver Villanueva, José Vicente; GASCÓN GARRIDO, PATRICIA; Ibiza Palacios, María de Sales (Springer Verlag (Germany), 2013-05)

[EN] Termite resistance of thermally-treated ash (Fraxinus excelsior L) and European beech (Fagus sylvatica L) against subterranean termites (Reticulitermes banyulensis) was evaluated. A laboratory no-choice feeding ...
First Ultra-High-Performance Fibre- Reinforced Concrete Footbridge in Spain: Design and Construction

Lopez Martinez, Juan Angel; Serna Ros, Pedro; Camacho Torregrosa, Esteban Efraím; Coll Carrillo, Hugo; Navarro Gregori, Juan (International Association for Bridge and Structural Engineering, 2014-02)

Ultra-high-performance fibre-reinforced concrete (UHPFRC) is defined as a cement-based composite material that combines three technical advances in concrete: high compressive strength, presence of steel fibres and ...
Improved termite resistance of wood by wax impregnation

Scholz, G.; Militz, H.; GASCÓN GARRIDO, PATRICIA; Ibiza Palacios, M. S.; Oliver Villanueva, José Vicente; Peters, B. C.; Fitzgerald, C. J. (Elsevier, 2010-12)

[EN] We investigated the effect of wax-treated and biocide-free wood specimens against three different termite species. A laboratory no-choice test with Reticulitermes banyulensis Clement was carried out in Valencia (Spain) ...
In situ experimentations for the compatibility and durability of the restorations: the case study of the Sassi of Matera

Mecca, Ippolita (Universitat Politècnica de València, 2016-06-21)

[EN] The research intends to make a study of the interventions of restoration realized in a sample area, (“Sassi of Matera”), so as to establish an operating methodology with interpretative and implementable rules for the ...
Life cycle greenhouse gas emissions of blended cement concrete including carbonation and durability

García Segura, Tatiana; Yepes Piqueras, Víctor; Alcalá González, Julián (Springer Verlag (Germany), 2014-01)

Purpose Blended cements use waste products to replace Portland cement, the main contributor to CO2 emissions in concrete manufacture. Using blended cements reduces the embodied greenhouse gas emissions; however, little ...
Limitations of Grundy and Kabaila s Simplified Method and Its Repercussion on the Safety and Serviceability of Successively Shored Building Structures

Adam Martínez, José Miguel; Buitrago Moreno, Manuel; Moragues Terrades, Juan José; Calderón García, Pedro Antonio (American Society of Civil Engineers, 2017)

[EN] One of the most critical stages for a structure s safety is its construction process, and this problem is even more acute in buildings with reinforced concrete structures. These structures are usually built by shoring ...
Long-term properties and end-of-life of polymers from renewable resources

Badia, J.D.; Gil-Castell, O.; Ribes-Greus, A. (Elsevier, 2017)

[EN] The long-term properties and end-of-life of polymers are not antagonist issues. They actually are inherently linked by the duality between durability and degradation. The control of the service-todisposal pathway ...
Mechanical and durability properties of alkali-activated mortar based on sugarcane bagasse ash and blast furnace slag

Pereira, Adriana; AKASAKI, JORGE LUIS; Melges, José L.P.; Mitsuuchi Tashima, Mauro; Soriano Martinez, Lourdes; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan (Elsevier, 2015-12)

Sugarcane bagasse is an agricultural waste which can be transformed, for cementing purposes, into an interesting material by combustion. Specifically, the ash (SBA) obtained by auto-combustion was used for preparing ...
Mechanical and physical performance of low alkalinity cementitiouscomposites reinforced with recycled cellulosic fibres pulp fromcement kraft bags

MARMOL DE LOS DOLORES, GONZALO; Santos, S. F.; Savastano, H. Jr.; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan (Elsevier, 2013-08)

The objective of this work was to study the addition of cellulosic pulp in low alkalinity cement composites as well as its mechanical behavior under bending stresses before and after accelerated aging cycles.The cellulosic ...
Multi-objective design of post-tensioned concrete road bridges using artificial neural networks

García-Segura, Tatiana; Yepes, V.; Frangopol, D.M. (Springer-Verlag, 2017)

[EN] In order to minimize the total expected cost, bridges have to be designed for safety and durability. This paper considers the cost, the safety, and the corrosion initiation time to design post-tensioned concrete ...